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MARK CARLTON ROUNSAVILLE MD
NPI 1033100284
Radiology - Radiation Oncology in Nicasio, CA

Active since November 04, 2005
45 LOS PINOS, NICASIO, CA 94946(415) 662-2669(415) 662-2669 Get Directions Write a Review

NPPES record last updated: May 17, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Carlton Rounsaville Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK CARLTON ROUNSAVILLE MD (NPI 1033100284) is an individual radiation oncology provider in Nicasio, California, licensed in California (A39060) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1033100284
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameMARK CARLTON ROUNSAVILLECredential: MD
Location Address45 LOS PINOSNicasio, CA 94946
Mailing Address45 Los PinosNicasio, CA 94946 · (415) 662-2669 · Fax (415) 662-2669
Phone(415) 662-2669
Fax(415) 662-2669
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateMay 17, 2022
NPPES CertifiedMay 17, 2022
✔ NPI 1033100284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in CA · A39060
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
45 LOS PINOS, Nicasio, CA 94946
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Other Identifiers 2

Other00A390600CA · Blue Shield
Medicaid00A390600CA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Rounsaville's NPI number?

The NPI number for Mark Rounsaville is 1033100284. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Mark Rounsaville located?

Mark Rounsaville practices at 45 Los Pinos, Nicasio, CA 94946. The listed phone number is (415) 662-2669.

What is Mark Rounsaville's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Mark Rounsaville was last updated on May 17, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.